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` NAL-BERTSGN.' improvement `in the Manufacture of Ice; 910,115,409. v l PatentedNay 30,1871.

` ALBERT` ALBERTSON, OF JERSEY'CITY, NEW JERSEY.

.VIMPRolvEMEN-r 1N THE MANUFACTUREQF les.

Specification forming part of Letters Patent No. 115,409, dated May 30, 1871.

State of New Jersey, have invented certain Improvements in the Method of Freezing Ice;

and I d hereby declare that thefollo win g is a full, clear, and exact description thereof', reference being had to the annexed drawing making part of this specification, in whichf Figure 1 represents a sectional plan of so much `of an` apparatus for freezing ice as is a t necessary to illustrate my invention. Fig. 2 is aver-tical transverse section thereof. Fig. 3, a vertical longitudinal section throughV the n center.- 1 Fig. 4: isa vertical section of the feedi water tank.

i The same letters of reference are used in all the figures injthe designation of identical parts.` a i The object of this invention is to 4freeze ice `into blocks of any desired form in a more rapid manner than is possibleby the use of the ordinary tanks in which the still body of water is frozen `from the surface; and'my improvement consists in `freezing the ice upon or around'a core of any desired form by alteragain lifting it` out of the water to expose the thin lm of water attaching to its surface, or that of the` ice already formed upon it, to `the surrounding coldvair, and freeze it, continuing the process until ablock oi' the desired size has been "formed around the core, from whichit is then separated in a manner' herein- -after` to be explained. The improvement fur- `ther consists in several novel features of construction and arrangement =of the apparatus shown, to be generally set forth in the following description and specifically pointed out in the claims. f i i `In the annexedydrawing, A represents the freezing-chamber of` anice-machine, into which the cold air `passes `through the pipe A1, and from which it issues, after it has been utilized, `through the exhaust-pipe A2 upon the oppo-, i site side. The chamber isconstructed with `double or multiple walls, packed with any suitable non-conducting material to prevent j the external atmosphere from affectingthe v j Upon one-side of this chamber is built aresern voir, B, which is chargedwith water from any i of Jersey City, in the county of Hudson and falling, permits the valve to open again.

nately immersing the corein""the water and `temperature ofthe interior of the chamber.`

convenient source through a pipe, b, the end of which, issuing into the reservoir, is controlled by a valve, B1. To the .stem of this valve is attachedv a lever, B2, pivoted at b1, and provided, at the end of its long arm, with aA iioat, B3, which, when the water is at the proper level in thc reservoir, is borne up so as to 'seat the valve and stop the iiow of the ter into the reservoir until the water thereii,

D this manner the water in the reservoir will always stand at a uniform height. Other means than those described to affect this result may be employed. The water iiows from the reservoir B through a pipe, b2, into a tank, C, of which-there may be any numbcr arranged in the freezing-chamber A. Inthe'example illustrated, the ice is to be formed around a cylindrical revolving core, D, which is placed upon andbetween two rollers,'C C',

so as to have a portion of its surface immersed in the Water in the tank G. rIhe rollers C are journaled in the end walls of the tank in any` suitable manner so as to form a water-tight joint therewith, and at one end the journals extend beyond the tank and pass through the wall of the freezing-chamber. Each carries on its overhun g journal a pulley, c, which pulleys are connected bya belt, c1, so as to revolve in the same direction when power is applied at the driving-pulley c2 upon one of the journals. The core D fits snugly between the knives or scrapersE, one of which is mounted on each end of the tank, presenting its sharp edge upward. These knives serve to scrape off the ice as fast as it forms on the ends ofthe core. The friction of the revolving rollers C. upon the core D will cause it to revolve also continuously, so as to expose its surface, leaving the water, covered by a thin sheet or lm thereof, to the action of the incoming cold air, wb ich will immediately freeze it. The core is left on the rollers until the ice upon it has ob tained the desired thickness, when it is taken out and drawn out of the ice in the following manner: The shell of the core is made hollow, and contains at one end a nozzle or a trap to which to attach a steam-pipe and `induct steam into the annular chamber. The walls will very soon be heated so as to melt a thin sheet of the ice attached to its outer surface, and

the core may readily be drawn out of the block of ice, it being not surrounded or covered at the ends. F is a deflector, hinged tothe side of the freezing-chamber at which the cold air enters. A rib, Fl, is formed on its under side, by which it is supported upon the core D. It is used to direct the incoming cold air directly against the core, by which it is raised as its diameter augments by the formation of ice upon its surface.

I wish it to be understood that I do not confine myself to the particular means herein described for forming ice upon a core, as these means may be varied in many ways without departing from the principle of my invention. A. core oi' any forni desired may be used which receives a vertically-reciprocating action so as to alternately immerse it in and withdraw it out of the water; or a revolving core may be used, made with a cylindrical or square aperture through it, and the water discharged upon its interior surface to form solid blocks of ice of the form and size of the aperture.

layers upon a moving surface, substantially in the matter set forth.

2. The combination of the water-tank C, revolving rollers C C', and core D constructed with hollow Walls, all arranged in a freezingchamber, to operate substantially as set forth.

3. The combination of the revolving hollow core D and Scrapers E upon the ends of the water-tank C, substantially as and for the purpose set forth.

4. The combination of the revolving hollow core D and deflector F, arranged to operate substantially as set forth. 5. The combination of the reservoir B and induction-valve B1, Which is automatically operated by a float, B3, and a lever, B2, to regulate the height of the water in the reservoir, substantially as set forth.

1n testimony whereof I have signed my name to this specification iu the presence of two subscribing witnesses.

ALBERT ALBERTSON.

Witnesses:

D. P. HoLLowAY, B. EDw. J. ErLs. 

